メタデータ名 C4679
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0750000 39.6291667, 140.0812500 39.6291667, 140.0812500 39.6333333, 140.0750000 39.6333333, 140.0750000 39.6291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral